VERIFYING 501(c)(3) STATUS

How do I verify that an organization is included as a subordinate in a group exemption ruling?

The central organization that holds a group exemption (rather than the IRS)
determines which organizations are included as subordinates under its group
exemption ruling. Therefore, you can verify that an organization is a
subordinate under a group exemption ruling by consulting the official
subordinate listing approved by the central organization..."